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Finding the Third Proportional to 38,537,353.39 and 79,117,687.81

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Solution

The third proportional to 38,537,353.39 and 79,117,687.81 is: 162,429,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537,353.39 : 79,117,687.81 = 79,117,687.81 : x
  2. Step 2: Convert to fraction form
    38,537,353.39/79,117,687.81 = 79,117,687.81/x
  3. Step 3: Cross multiply
    38,537,353.39x = 79,117,687.81 × 79,117,687.81
  4. Step 4: Simplify right side
    38,537,353.39x = 6,259,608,524,140,326
  5. Step 5: Solve for x
    x = 6,259,608,524,140,326/38,537,353.39
  6. Step 6: Final answer
    x = 162,429,642.25

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.